Overview of AWS

 


                           Overview of AWS

Amazon Web Services (AWS) is a cloud services platform, which provides a suite of on-demand cloud computing services, including compute power, database storage, content delivery and other services. AWS allows customers to pay for only the services they need, when they need them, thus providing a cost-effective solution for businesses. AWS services are designed to allow users to build secure, reliable and scalable applications and websites, without the need to purchase and manage their own infrastructure.

Compute Services

The compute services offered by AWS include Amazon Elastic Compute Cloud (EC2), Amazon Elastic Container Service (ECS), Amazon Elastic Kubernetes Service (EKS), and AWS Lambda. EC2 is a web service that provides resizable compute capacity in the cloud. With EC2, users can launch virtual machines, called instances, that can be configured with any operating system or application. ECS is a managed container service that allows users to deploy, manage, and scale containerized applications. EKS is a managed Kubernetes service that allows users to quickly deploy, scale, and manage containerized applications on Kubernetes clusters. Finally, AWS Lambda is a serverless compute service that allows users to run code without having to provision or manage servers.

Storage Services

AWS offers a variety of storage services, including Amazon Simple Storage Service (S3), Amazon Elastic Block Store (EBS), Amazon Glacier, and Amazon Elastic File System (EFS). S3 is a secure, durable, and highly-scalable object storage service. With S3, users can store and retrieve any amount of data from anywhere on the web. EBS is a block storage service that provides persistent storage for EC2 instances. Glacier is an archive storage service for long-term backup and archiving of data. Finally, EFS is a managed file storage service that allows users to store and access files from multiple EC2 instances simultaneously.

Database Services

AWS provides a variety of database services, including Amazon Relational Database Service (RDS), Amazon DynamoDB, Amazon ElastiCache, and Amazon Redshift. RDS is a managed relational database service that allows users to easily set up, operate, and scale a relational database in the cloud. DynamoDB is a fully managed NoSQL database service that allows users to store and retrieve any amount of data with single-digit millisecond latency. ElastiCache is a managed in-memory data store and cache service that provides sub-millisecond latency. Finally, Redshift is a data warehousing service that allows users to quickly analyze large amounts of data.

EC2 Instance Creation

To create an EC2 instance, users first need to select an Amazon Machine Image (AMI). An AMI is a template that contains the software configuration (operating system, application server, and applications) required to launch an EC2 instance. Once an AMI has been selected, users need to specify their instance type, which determines the amount of CPU, memory, storage, and networking capacity that the instance will have. Next, users need to configure the instance’s security settings, such as which ports are open and which AWS services can access the instance. Finally, users need to specify the instance’s storage configuration, such as the amount of storage and the type of storage (e.g. magnetic, SSD, or instance store).

Once the instance has been configured, users can launch the instance. After the instance has been launched, users can connect to the instance using SSH or the AWS Management Console. Once connected, users can install additional software, such as databases and web servers, as well as configure the instance’s security settings.

Amazon Web Services provides users with a cost-effective and reliable way to build and deploy applications and websites. With AWS, users can quickly launch virtual machines, store and retrieve data, and analyze large amounts of data. In addition, AWS provides users with a variety of database services to meet their needs. By leveraging AWS’s services, users can reduce their IT costs and focus on building applications and websites.

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